The Blackview Mega 8 and Realme C55 represent compelling options in the crowded budget smartphone space. While both aim to deliver essential features at an accessible price, they diverge significantly in their core philosophies. The Mega 8 aggressively targets exceptional battery life, while the C55 focuses on a more balanced experience with faster charging and a brighter display.
🏆 Quick Verdict
For users prioritizing maximum uptime and long-term battery health, the Blackview Mega 8 is the clear winner. Its astounding 114-hour endurance rating and 1000 charge cycle promise far outlast the Realme C55’s 123-hour rating. However, the Realme C55’s 33W charging and brighter screen make it a better choice for those who value convenience and media consumption.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G bands | 1, 3, 7, 8, 19, 20, 28, 40, 41 | 1, 3, 5, 8, 38, 40, 41 |
| Speed | HSPA, LTE | HSPA, LTE |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| Launch |
|---|
| Announced | 2025, April | 2023, March 07 |
| Status | Available. Released 2025, May | Available. Released 2023, March 08 |
| Body |
|---|
| Build | - | Glass front, plastic frame, plastic back |
| Dimensions | 302 x 197.5 x 7.9 mm (11.89 x 7.78 x 0.31 in) | 165.6 x 75.9 x 7.9 mm (6.52 x 2.99 x 0.31 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 736 g (1.62 lb) | 189.5 g (6.70 oz) |
| Display |
|---|
| Protection | Mohs level 4 | - |
| Resolution | 1200 x 1920 pixels, 16:10 ratio (~174 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~392 ppi density) |
| Size | 13.0 inches, 490.0 cm2 (~82.2% screen-to-body ratio) | 6.72 inches, 109.0 cm2 (~86.7% screen-to-body ratio) |
| Type | IPS LCD | IPS LCD, 90Hz, 680 nits (peak) |
| Platform |
|---|
| CPU | Octa-core (2x2.2 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) |
| Chipset | Unisoc T620 (12 nm) | Mediatek MT6769H Helio G88 (12 nm) |
| GPU | Mali-G57 | Mali-G52 MC2 |
| OS | Android 15, DokeOS_P 4.1 | Android 13, Realme UI 4.0 |
| Memory |
|---|
| Card slot | microSDXC (uses shared SIM slot) | microSDXC (dedicated slot) |
| Internal | 256GB 12GB RAM, 512GB 12GB RAM | 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
| Main Camera |
|---|
| Dual | - | 64 MP, (wide), 1/2.0", PDAF
Auxiliary lens |
| Features | LED flash, HDR | LED flash, HDR, panorama |
| Single | 50 MP | 8 MP, (wide) |
| Video | 1080p@30fps | 1080p@30/60fps |
| Selfie camera |
|---|
| Features | HDR | HDR, panorama |
| Single | 13 MP | 8 MP, (wide) |
| Video | 1080p@30fps | 1080p@30fps |
| Sound |
|---|
| 3.5mm jack | - | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes, with stereo speakers (4 speakers) | Yes |
| Comms |
|---|
| Bluetooth | 5.0, A2DP, LE | 5.2, A2DP, LE |
| NFC | No | Yes, 360˚ (market/region dependent) |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, GALILEO, BDS |
| Radio | No | No |
| USB | USB Type-C, OTG | USB Type-C 2.0 |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| Features |
|---|
| Sensors | Accelerometer, proximity (accessories only) | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Battery |
|---|
| Charging | 18W wired | 33W wired, 50% in 29 min |
| Type | Li-Ion 11000 mAh | 5000 mAh |
| Misc |
|---|
| Colors | Space Grey, Twilight Blue, Lagoon Green | Sun Shower, Rainy Night, Rainforest |
| Models | - | RMX3710 |
| Price | - | ₹ 8,399 |
| Tests |
|---|
| Battery life | - |
Endurance rating 123h
|
| Camera | - |
Photo / Video |
| Display | - |
Contrast ratio: 1264:1 (nominal) |
| Loudspeaker | - |
-31.8 LUFS (Below average)
|
| Performance | - |
AnTuTu: 257263 (v9)
GeekBench: 1452 (v5.1), 1413 (v6)
GFXBench: 9fps (ES 3.1 onscreen) |
| EU LABEL |
|---|
| Battery | 114:00h endurance, 1000 cycles | - |
| Energy | Class F | - |
| Free fall | Class D (52 falls) | - |
| Repairability | Class B | - |
Blackview Mega 8
- Exceptional battery endurance (114 hours)
- Long-term battery health (1000 charge cycles)
- Potentially slightly faster CPU performance
- Slower charging speed (18W)
- Display brightness data unavailable
Realme C55
- Faster charging (33W, 50% in 29 min)
- Brighter display (659 nits)
- Decent gaming performance (Helio G88)
- Significantly shorter battery endurance (123 hours)
- Lower long-term battery health
Display Comparison
The Realme C55 boasts a significantly brighter display, peaking at 659 nits, compared to the Blackview Mega 8 (brightness data unavailable). This makes the C55 more usable outdoors under direct sunlight. Both displays share a 1264:1 contrast ratio, suggesting similar color reproduction quality. However, without knowing the panel technology used in the Mega 8, it’s difficult to assess potential differences in viewing angles or color accuracy. The C55’s higher brightness is a clear advantage for multimedia consumption.
Camera Comparison
Both phones feature 'Photo / Video' capabilities, but lack detailed camera specifications. This suggests both are likely equipped with basic camera setups geared towards casual photography. Without knowing sensor sizes, apertures, or image processing algorithms, a meaningful comparison is impossible. The absence of detail suggests neither phone will excel in low-light conditions or offer advanced photographic features. We can assume both will include a standard set of shooting modes, but image quality will likely be heavily reliant on software optimization.
Performance
Both devices utilize octa-core CPUs with a similar core configuration – 2x Cortex-A75 and 6x Cortex-A55. However, the Realme C55’s Mediatek Helio G88 operates at a slightly lower peak frequency (2.0 GHz vs 2.2 GHz on the Blackview’s Unisoc T620). While the difference is marginal, the T620 *could* offer a slight edge in CPU-bound tasks. Both chipsets are built on a 12nm process, suggesting comparable power efficiency. The Helio G88 is known for its decent gaming performance in its price bracket, but the T620’s capabilities remain less well-documented. Without GPU benchmarks, it’s difficult to definitively declare a performance winner.
Battery Life
The Blackview Mega 8’s battery endurance of 114 hours is a standout feature, dwarfing the Realme C55’s 123 hours. This massive difference is likely due to a larger battery capacity in the Mega 8 (capacity not specified) and potentially more aggressive power management. The Realme C55 compensates with 33W wired charging, achieving 50% charge in just 29 minutes, while the Mega 8 is limited to 18W charging. The Mega 8 also claims 1000 charge cycles, indicating superior long-term battery health compared to the C55. This makes the Mega 8 ideal for users who prioritize longevity over quick top-ups.
Buying Guide
Buy the Blackview Mega 8 if you need a phone that can reliably last for days on a single charge, are a heavy user who doesn't have frequent access to power outlets, or value long-term battery health. Buy the Realme C55 if you prefer a brighter display for outdoor visibility, want faster charging speeds to minimize downtime, and prioritize a more balanced overall experience over extreme battery longevity.
Frequently Asked Questions
❓ How does the Unisoc T620 in the Blackview Mega 8 compare to the Helio G88 in gaming?
While both chipsets are capable of handling casual gaming, the Helio G88 is generally considered to have a slight edge in GPU performance. However, without specific gaming benchmarks for the T620, it’s difficult to quantify the difference. The Mega 8’s larger battery could allow for longer gaming sessions, even if frame rates are slightly lower.
❓ Is the 18W charging on the Blackview Mega 8 too slow in today's market?
Compared to the Realme C55’s 33W charging, 18W is considerably slower. However, the Mega 8’s exceptional battery life mitigates this issue. Users are less likely to need frequent top-ups, reducing the impact of the slower charging speed. The 1000 charge cycle rating also suggests the Mega 8’s battery will maintain its capacity for longer, reducing the need for frequent full charges.
❓ What type of display technology does the Blackview Mega 8 use?
Unfortunately, the display technology (IPS, AMOLED, etc.) used in the Blackview Mega 8 is not specified. This makes it difficult to assess its color accuracy, viewing angles, and overall visual quality compared to the Realme C55.
